True, but that type of optimization is quite moot if you're only running the build at night (i.e, that's not the first constraint to solve). In the article I me

True, but that type of optimization is quite moot if you're only running the build at night (i.e, that's not the first constraint to solve). In the article I mention that first get the builds to be tight one after another, then work on build times because that becomes the constraint.